RRB Group D 2022-30-9-2022-3 RRB Question Paper

RRB Group D 2022 Question Papers

RRB Group D 2022-30-9-2022-3 RRB Questions

31.
A student performed a reaction with zinc and sulphuric acid. zinc sulphate is formed along with a gas. Which gas is evolved?
A.
Carbon monoxide
B.
Oxygen
C.
Carbon dioxide
D.
Hydrogen
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ANSWER :
D. Hydrogen
32.
P, Q, R, S, T and U are six different cars, each of a different weight. Q is heavier than only one car. S is heavier than Q. R is heavier than P. T is heavier than S. P is heavier than T. Which car among the six is the heaviest?
A.
P
B.
R
C.
T
D.
S
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ANSWER :
B. R
33.
Each of the digits in the number 7639482 is arranged in ascending order from right to left. The position of how many digits will remain unchanged as compared to that in the original number?
A.
One
B.
None
C.
Three
D.
Two
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ANSWER :
D. Two
34.
In a chemical reaction, a substance gains hydrogen. This process is said to be ______.
A.
bromination
B.
oxidation
C.
reduction
D.
chlorination
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ANSWER :
C. reduction
35.
Among six friends A, B, C, D, E and F, each has a different height. Only two people are shorter than B. Only one person is taller than A. E is neither the tallest nor the shortest. C is shorter than E but taller than F. Who is the taller than B but shorter than A?
A.
F
B.
C
C.
D
D.
E
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ANSWER :
D. E
36.
The Articles of the Indian Constitution are grouped into how many different parts?
A.
22
B.
12
C.
395
D.
8
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ANSWER :
A. 22
37.
Which of the following metals has least reactivity?
A.
Silver
B.
Mercury
C.
Sodium
D.
Gold
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ANSWER :
D. Gold
38.
Study the given diagram carefully and answer the question. The numbers in different sections indicate the number of persons. How many such children are there who like music but NOT sports?
A.
50
B.
42
C.
56
D.
8
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ANSWER :
B. 42
39.
Three statements are given followed by two conclusions numbered I and II. You have to take the statements to be true, even if they seem to be at variance with commonly known facts and decide which of the conclusions logically follow(s) from the statements.
Statements:
Some Dogs are Barks.
Some Barks are Trees.
All Trees are Woods.
Conclusions:
(I) Some Dogs are Trees.
(II) Some Woods are Barks.
A.
Only conclusion (I) follows.
B.
Neither conclusion (I) nor (II) follows.
C.
Only conclusion (II) follows.
D.
Both conclusions (I) and (II) follow.
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ANSWER :
C. Only conclusion (II) follows.
40.
The heat produced in an electric circuit is proportional to ______.
A.
(current)²
B.
1/current
C.
current
D.
1/(current)²
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ANSWER :
A. (current)²